在所有的感官发育中,视觉的发育是最原始的。出生后宝宝的视觉持续发育,直至学龄期。新生儿出生几个小时以后,他就能认出妈妈,尽管视力非常低,视野范围仅20~30cm,基本上就是宝宝眼睛到妈妈的距离,以便于和妈妈进行感情交流。尽管新生儿的视力模糊,但是色彩反差大的图案,比如黑白图案,他会看得比较清楚。人脸其实是颜色反差很大的图案:我们的脸是白色的,眼睛和头发是黑色的,这就是宝宝喜欢看妈妈脸的原因之 In all sensory development, visual development is the most primitive. After birth, baby’s vision continues to develop until school age. A few hours after birth, a newborn child can recognize a mother, although the vision is very low, the field of view is only 20 ~ 30cm, basically the distance from the baby’s eyes to her mother in order to exchange feelings with her mother. Although the newborn’s blurred vision, but the color contrast patterns, such as black and white patterns, he will see more clearly. Face is actually a very large color contrast patterns: our face is white, eyes and hair is black, which is why the baby likes to see the mother face